{% extends 'admin/master.html' %}
{% import 'admin/lib.html' as lib with context %}
{% from 'admin/lib.html' import extra with context %} {# backward compatible #}
<meta charset="UTF-8">
    <title>{% block title %}{% endblock %}-后台管理系统</title>
    {% block head %}
        {{ super() }}
  {{ lib.form_css() }}
    {% endblock %}
{% block jsna %}{% endblock %}